But agar’s superior qualities come with complex chemistry. “To speak of agar as a single substance of certain (if known) chemical structure is probably a mistake,” wrote phycologist Harold Humm in a 1947 article. According to the Food and Agriculture Organization of the United Nations, agar is merely recognized as “a hydrophilic colloid extracted from certain seaweeds of the Rhodophyceae class.” In terms of its actual composition, agar is mostly a combination of two polysaccharides, agaropectin and agarose, which themselves are complex and poorly-characterized polysaccharides made mostly (but not exclusively) from the simple sugar galactose.8
保持足够的耐心：实话说我不属于耐心特别好的人。这几年逐渐控制自己的情绪，但有时候看到她做不好事情、看到她任性耍小脾气，我还是会忍不住发脾气，还是会批评她、催促她。希望新的一年，我会更好的保持耐心，引导孩子帮助她成长。
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